Samsung 👉 *#0*#  and *#*#88#*#*

Huawei 👉 *#*#2846579#*#*

Huawei MTK 👉  *#*#14789632*#*#

Xiaomi 👉 *#*#64663#*#*

Oppo 👉 *#899#

Sony 👉 *#*#737842#*#*

Meizu 👉 *#*#3464663#*#*

Vivo 👉 *#*#225#*#*

Honor 👉 *#*#2346579#*#*

Coolpad 👉 *#*#4636#*#*

Oneplus 👉 *#*#4636#*#*

Lenovo 👉 *####2222#* (sn)

Tecno 👉 *#*#2664#*#*